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Dependencies: SDFileSystem_Warning_Fixed F746_GUI
mbed_src_STM32F7/common/Timer.cpp@1:bb146d5fe9aa, 2018-10-23 (annotated)
- Committer:
- MikamiUitOpen
- Date:
- Tue Oct 23 11:51:47 2018 +0000
- Revision:
- 1:bb146d5fe9aa
- Parent:
- 0:f62ffd3644bf
2
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
MikamiUitOpen | 0:f62ffd3644bf | 1 | /* mbed Microcontroller Library |
MikamiUitOpen | 0:f62ffd3644bf | 2 | * Copyright (c) 2006-2013 ARM Limited |
MikamiUitOpen | 0:f62ffd3644bf | 3 | * |
MikamiUitOpen | 0:f62ffd3644bf | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
MikamiUitOpen | 0:f62ffd3644bf | 5 | * you may not use this file except in compliance with the License. |
MikamiUitOpen | 0:f62ffd3644bf | 6 | * You may obtain a copy of the License at |
MikamiUitOpen | 0:f62ffd3644bf | 7 | * |
MikamiUitOpen | 0:f62ffd3644bf | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
MikamiUitOpen | 0:f62ffd3644bf | 9 | * |
MikamiUitOpen | 0:f62ffd3644bf | 10 | * Unless required by applicable law or agreed to in writing, software |
MikamiUitOpen | 0:f62ffd3644bf | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
MikamiUitOpen | 0:f62ffd3644bf | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
MikamiUitOpen | 0:f62ffd3644bf | 13 | * See the License for the specific language governing permissions and |
MikamiUitOpen | 0:f62ffd3644bf | 14 | * limitations under the License. |
MikamiUitOpen | 0:f62ffd3644bf | 15 | */ |
MikamiUitOpen | 0:f62ffd3644bf | 16 | #include "Timer.h" |
MikamiUitOpen | 0:f62ffd3644bf | 17 | #include "ticker_api.h" |
MikamiUitOpen | 0:f62ffd3644bf | 18 | #include "us_ticker_api.h" |
MikamiUitOpen | 0:f62ffd3644bf | 19 | |
MikamiUitOpen | 0:f62ffd3644bf | 20 | namespace mbed { |
MikamiUitOpen | 0:f62ffd3644bf | 21 | |
MikamiUitOpen | 0:f62ffd3644bf | 22 | Timer::Timer() : _running(), _start(), _time(), _ticker_data(get_us_ticker_data()) { |
MikamiUitOpen | 0:f62ffd3644bf | 23 | reset(); |
MikamiUitOpen | 0:f62ffd3644bf | 24 | } |
MikamiUitOpen | 0:f62ffd3644bf | 25 | |
MikamiUitOpen | 0:f62ffd3644bf | 26 | Timer::Timer(const ticker_data_t *data) : _running(), _start(), _time(), _ticker_data(data) { |
MikamiUitOpen | 0:f62ffd3644bf | 27 | reset(); |
MikamiUitOpen | 0:f62ffd3644bf | 28 | } |
MikamiUitOpen | 0:f62ffd3644bf | 29 | |
MikamiUitOpen | 0:f62ffd3644bf | 30 | void Timer::start() { |
MikamiUitOpen | 0:f62ffd3644bf | 31 | if (!_running) { |
MikamiUitOpen | 0:f62ffd3644bf | 32 | _start = ticker_read(_ticker_data); |
MikamiUitOpen | 0:f62ffd3644bf | 33 | _running = 1; |
MikamiUitOpen | 0:f62ffd3644bf | 34 | } |
MikamiUitOpen | 0:f62ffd3644bf | 35 | } |
MikamiUitOpen | 0:f62ffd3644bf | 36 | |
MikamiUitOpen | 0:f62ffd3644bf | 37 | void Timer::stop() { |
MikamiUitOpen | 0:f62ffd3644bf | 38 | _time += slicetime(); |
MikamiUitOpen | 0:f62ffd3644bf | 39 | _running = 0; |
MikamiUitOpen | 0:f62ffd3644bf | 40 | } |
MikamiUitOpen | 0:f62ffd3644bf | 41 | |
MikamiUitOpen | 0:f62ffd3644bf | 42 | int Timer::read_us() { |
MikamiUitOpen | 0:f62ffd3644bf | 43 | return _time + slicetime(); |
MikamiUitOpen | 0:f62ffd3644bf | 44 | } |
MikamiUitOpen | 0:f62ffd3644bf | 45 | |
MikamiUitOpen | 0:f62ffd3644bf | 46 | float Timer::read() { |
MikamiUitOpen | 0:f62ffd3644bf | 47 | return (float)read_us() / 1000000.0f; |
MikamiUitOpen | 0:f62ffd3644bf | 48 | } |
MikamiUitOpen | 0:f62ffd3644bf | 49 | |
MikamiUitOpen | 0:f62ffd3644bf | 50 | int Timer::read_ms() { |
MikamiUitOpen | 0:f62ffd3644bf | 51 | return read_us() / 1000; |
MikamiUitOpen | 0:f62ffd3644bf | 52 | } |
MikamiUitOpen | 0:f62ffd3644bf | 53 | |
MikamiUitOpen | 0:f62ffd3644bf | 54 | int Timer::slicetime() { |
MikamiUitOpen | 0:f62ffd3644bf | 55 | if (_running) { |
MikamiUitOpen | 0:f62ffd3644bf | 56 | return ticker_read(_ticker_data) - _start; |
MikamiUitOpen | 0:f62ffd3644bf | 57 | } else { |
MikamiUitOpen | 0:f62ffd3644bf | 58 | return 0; |
MikamiUitOpen | 0:f62ffd3644bf | 59 | } |
MikamiUitOpen | 0:f62ffd3644bf | 60 | } |
MikamiUitOpen | 0:f62ffd3644bf | 61 | |
MikamiUitOpen | 0:f62ffd3644bf | 62 | void Timer::reset() { |
MikamiUitOpen | 0:f62ffd3644bf | 63 | _start = ticker_read(_ticker_data); |
MikamiUitOpen | 0:f62ffd3644bf | 64 | _time = 0; |
MikamiUitOpen | 0:f62ffd3644bf | 65 | } |
MikamiUitOpen | 0:f62ffd3644bf | 66 | |
MikamiUitOpen | 0:f62ffd3644bf | 67 | #ifdef MBED_OPERATORS |
MikamiUitOpen | 0:f62ffd3644bf | 68 | Timer::operator float() { |
MikamiUitOpen | 0:f62ffd3644bf | 69 | return read(); |
MikamiUitOpen | 0:f62ffd3644bf | 70 | } |
MikamiUitOpen | 0:f62ffd3644bf | 71 | #endif |
MikamiUitOpen | 0:f62ffd3644bf | 72 | |
MikamiUitOpen | 0:f62ffd3644bf | 73 | } // namespace mbed |